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If a mole was to contain 1.0xx10^(24) pa...

If a mole was to contain `1.0xx10^(24)` particles, the mass of one mole of oxygen is:

A

53.2g

B

5.32g

C

32.0g

D

16.0g

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The correct Answer is:
A
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Henry thinks that a mole contains 6.023× 10^(24) molecules Hence the mass of Henry's mole of nitrogen (in gm) is

A mole is a collection of 6.022 xx 10^23 particles and the number 6.022 xx 10^23 is called Avogadro number. The mass of this number of atoms in an element is equal to its gram atomic mass and mass of this number of molecules in a compound is equal to its gram molecular mass. The volume occupied by this number of molecules of a gas at N.T.P is 22.4 L. When 6.022 xx 10^23 molecules of a substance are dissolved in 1L of solution, the solution is known as 1 molar volume. Suppose the chemists would have choosen 10^20 as the number of particles in a mole, the mass of 1 mole of oxygen gas would be:

OP TANDON-BASIC PRINCIPLES-OBJECTIVE QUE.
  1. 23 g of sodium will react with ethyl alcohol to give:

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  2. The mass of an atom of carbon is:

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  3. If a mole was to contain 1.0xx10^(24) particles, the mass of one mole ...

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  4. Four flasks of 1 litre capacity each are separately filled with gases ...

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  5. At room tempearture and pressure, two flasks of equal volumes are fill...

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  6. Volume of a mixture of 6.02xx10^(23) oxygen atoms and 3.01xx10^(23) hy...

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  7. The number of molecular present in a drop of water, if its volume is 0...

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  8. A compound was found to contain nitrogen and oxygen in the ratio nitro...

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  9. The simplext formula of a compound containng 50% of element X (At. Mas...

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  10. Two element X (At.mass=75)and Y (At. Mass=16) combine to give a compou...

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  11. One analysis a certain compound was found to contain iodine and oxygen...

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  12. A compound of aluminium and chlorine is composed of 9.0g Al for every ...

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  13. The haemoglobin from red corpuscles of most mammels contain approximat...

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  14. The percentage of P(2)O(5) in diammonium hydrogen phosphate [(NH(4))(2...

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  15. The percentage of nitrogen in urea (NH(2)CONH(2)), is:

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  16. The chloride of a metal has the formula MCl(3). The formula its phosph...

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  17. 10g of hydrofluoric acid gas occupies 5.6 litre of volume at NTP. If t...

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  18. Calcium pyrophosphate is represented by the formula Ca(2)P(2)O(7). The...

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  19. The percentage of available chlorine in a sample of bleaching powder, ...

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  20. SI unit of energy is:

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